Search a number
-
+
143040520000 = 265473713807
BaseRepresentation
bin1000010100110111100…
…0010001111101000000
3111200012201222022002001
42011031320101331000
54320421333120000
6145413434433344
713222451234050
oct2051570217500
9450181868061
10143040520000
115573270a894
122387bb92854
1310647792961
146ccd381560
153ac2b1b46a
hex214de11f40

143040520000 has 280 divisors, whose sum is σ = 416350525184. Its totient is φ = 47713536000.

The previous prime is 143040519931. The next prime is 143040520009. The reversal of 143040520000 is 25040341.

It is a tau number, because it is divible by the number of its divisors (280).

It is a self number, because there is not a number n which added to its sum of digits gives 143040520000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143040520009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10353097 + ... + 10366903.

Almost surely, 2143040520000 is an apocalyptic number.

143040520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143040520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208175262592).

143040520000 is an abundant number, since it is smaller than the sum of its proper divisors (273310005184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143040520000 is an equidigital number, since it uses as much as digits as its factorization.

143040520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13883 (or 13858 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 143040520000 its reverse (25040341), we get a palindrome (143065560341).

The spelling of 143040520000 in words is "one hundred forty-three billion, forty million, five hundred twenty thousand".